...the Neanderthals who lived in Chagyrskaya Cave in southern Siberia around 54,000 years ago. Their distinctive stone tools are dead ringers for those found thousands of kilometres away in eastern and central Europe. The intercontinental journey made by these intrepid Neanderthals is equivalent to walking from Sydney to Perth, or from New York to Los Angeles, and is a rare example of long-distance migration by Palaeolithic people... Neanderthals are now believed to have created 176,000 year-old enigmatic structures made from broken stalactites in a cave in France, and cave art in Spain that dates back more than 65,000 years. They...